Description
XR16C854/854D 2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO APRIL 2013 REV.3.1.0 GENERAL .
The XR16C854/854D1 (854) is an enhanced quad Universal Asynchronous Receiver and Transmitter (UART) each with 128 bytes of transmit and receive FIFOs,.
Features
* Added feature in devices with top mark date code of "F2 YYWW" and newer:
s 5 volt tolerant inputs
* 2.97 to 5.5 Volt Operation
* Pin-to-pin compatible with the industry standard
ST16C554 and ST16C654 and TI’s TL16C554N and TL16C754BFN
* Intel or Motorola Data Bus Interface se
Applications
* Portable Appliances
* Telecommunication Network Routers
* Ethernet Network Routers
* Cellular Data Devices
* Factory Automation and Process Control
FIGURE 1. XR16C854 BLOCK DIAGRAM
A2:A0 D7:D0
IOR# IO W # CSA# CSB# CSC#
CSD# INTA INTB INTC INTD
CHCCLK TXRD